1. Roland Allen. 2023. The Notebook: A History of Thinking on Paper. Profile Books, London, UK. 342 pages. https://profilebooks.com/work/the-notebook/
2. Ordered and quantum treemaps
3. Mark Bernstein. 1991. The Navigation Problem Reconsidered. In Hypertext/Hypermedia Handbook, Emily Berk and Joseph Devlin (Eds.). McGraw-Hill Inc.,US, New York, NY, USA, 285–297.
4. Collage, composites, construction
5. Can we talk about spatial hypertext